China manufacturer 9 Inch Slewing Bearing Worm Gear

Product Description

SC9 Slewing Drive Turntable With 220V AC Gearbox Motor For Spray equipment and rotating mechanism.
 

Model

SC9

Place of Origin

HangZhou,China

Brand

Coresun Drive

Outer Dia.

270mm

IP Class

IP65

Inner Dia.

175mm

Tilting Moment Torque

33.9KN.m

Holding Torque

38.7KN.m

Mounting Bolts

M16

Electrial Motor

230V AC motor

Gear Ratio

61:1

Efficiency

40%

Slewing drive can be divided into gear drive and worm gear drive according to the different transmission forms. According to the different closed forms of the transmission pair, it can be divided into open and closed types. The simplest form of slewing drive is applied to excavators, tower cranes, etc. The drive turntable on the construction machinery product is the last link of the reduction transmission chain. This kind of rotary drive is an open gear transmission, and its front end needs to be equipped with a planetary reducer with a large reduction ratio as its power input, so it can only be called In order to expand the application range of such products and further improve the convenience of product use and maintenance, the slewing drive with integrated worm gear drive was developed for the embryonic form of slewing drive. In order to further improve the drive capacity of the product, the enveloping worm drive It is also applied to such products. The rotary drive equipped with an envelope worm not only increases the driving torque, but also further improves the driving accuracy. It can also be digitally controlled, so it is widely used in tracking and fine-tuning devices on solar and wind power generation equipment. , In addition, it has good application effects in robots, radars, low-speed heavy-duty lifting, lifting equipment, precision CNC turntables and other product fields.

Slewing drive is consist of slewing bearing,worm shaft,housing,bearing,motor and so on. Motor drive the worm shaft, the outer ring of slewing bearing will rotate, the outer ring output the torque through flange while the inner ring of slewing bearing is fixed in housing.Slewing drive is able to sustain more axial load, radial load and tilting moment.Turntable or frame rotate at azimuth and elevation driven by slewing drive.Typical applications include solar trackers, wind turbines, satellite and radar dishes, truck cranes, man lifts, utility equipment, hydraulic equipment attachments, oil tool equipment, tire handlers, digger derricks, and automotive lifts.

Coresun Drive manufacturer of slew drives that are used tower heliostat solar station, dish stirling engine solar power station and trough solar thermal power station. We have already obtained very good reputations from our customers around the world.  All aspects of engineering control are based on creating a low-cost, reliable solution.  CHINAMFG Drive are powered with hourglass worm technology to give the maximum survivability load-holding capability as well as increased efficiency and accuracy.

High mechanical efficiency

Heavy load worm gear slewing ring bearing

High holding torque and tilting moment torque

High waterproof and dustproof performance

High Precision

Characteristics Of Slewing Drive

1) Tilting Moment Torque: Torque is the load multiplied by distance between the position of load and the center of slewing bearing. If the torque generated by load and distance is greater than the rated tilting moment torque, slewing drive will be overturned.
2) Radial load: Load vertical to the axis of slewing bearing
3) Axial load: Load parallel to the axis of slewing bearing
4) Holding torque: It is the reverse torque. When the drive is rotating reversely, and parts are not damaged,
5) The maximum torque achieved is called holding torque.
6) Self-locking: Only when loaded, the slewing drive is not able to reverse rotate and thus called self-locking.

Production Photo and Package

SC9 slewing drive gear motor with 220VAC gear motor testing report

CONTACT US

It is sincerely looking CHINAMFG to cooperating with you for and providing you the best quality product & service with all of our heart!

Holding Torque: 38.7kn.M
Tilting Moment Torque: 33.9kn.M
Output Speed: 0.46rpm
Output Torque: 870n.M
IP Class: IP65
Corrosion Protection: C4
Customization:
Available

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Can you provide examples of products or machinery that use worm wheels in their systems?

Yes, there are numerous products and machinery that utilize worm wheels as integral components in their systems. Here are some examples:

  • Elevators: Worm wheels are commonly used in elevator systems to control the vertical movement of the elevator car. The high gear reduction ratio of the worm wheel allows for precise and controlled lifting and lowering of the elevator. The self-locking property of the worm wheel ensures that the elevator remains stationary at each floor, enhancing safety and stability.
  • Conveyors: Conveyors, such as belt conveyors or screw conveyors, often incorporate worm wheels to drive the movement of the conveyor belt or screw. The gear reduction provided by the worm wheel allows for controlled and synchronized material handling in industries such as manufacturing, mining, and logistics.
  • Automotive Applications: Worm wheels are utilized in various automotive applications. For example, power steering systems use worm wheels to convert the rotational motion of the steering wheel into the linear motion required for steering the vehicle. Additionally, some automotive seat adjustment mechanisms and convertible roof systems use worm wheels for precise positioning and control.
  • Machine Tools: Worm wheels are found in machine tools like milling machines, lathes, and grinders. They are often used in the feed mechanisms to control the movement of the workpiece or cutting tool with high precision and accuracy. The high gear reduction ratio of the worm wheel enables fine adjustments of the feed rate and ensures stable and controlled machining operations.
  • Robotics: Worm wheels are employed in various robotic systems for precise motion control. They can be found in robotic arms, grippers, and joints, allowing for accurate positioning and movement. The self-locking property of the worm wheel ensures that the robot maintains its position when not actively driven, providing stability and safety in robotic applications.
  • Positioning Systems: Precision positioning systems, such as linear stages or rotary stages, utilize worm wheels to achieve accurate and repeatable motion. These systems are commonly used in semiconductor manufacturing, optics, microscopy, and other industries where precise positioning is critical. Worm wheels provide the necessary gear reduction and precise control required for precise positioning applications.
  • Gate Operators: Worm wheels are employed in gate operator systems to control the opening and closing of gates, such as in residential or commercial gate automation. The gear reduction provided by the worm wheel allows for controlled and smooth operation of the gate, ensuring security and convenience.
  • Industrial Mixers: Worm wheels are used in industrial mixers and agitators to control the rotational speed and torque applied to the mixing blades. The gear reduction ratio of the worm wheel enables precise control of the mixing process, ensuring efficient and consistent mixing of various substances in industries like chemical processing and food production.

These examples illustrate the wide range of applications where worm wheels are utilized to provide precise motion control, torque management, and reliable performance. Their versatility and ability to control speed, torque, and direction make them valuable components in various products and machinery.

What role do worm wheels play in controlling speed and torque in mechanical assemblies?

Worm wheels play a crucial role in controlling speed and torque in mechanical assemblies. Here’s a detailed explanation of how worm wheels contribute to speed and torque control:

  • Gear Reduction: One of the primary functions of worm wheels is to provide gear reduction. The helical teeth of the worm gear engage with the teeth of the worm wheel, resulting in a rotational output that is slower than the input speed. The gear reduction ratio is determined by the number of threads on the worm wheel and the pitch diameter of the gear. By controlling the gear reduction ratio, worm wheels enable precise speed control in mechanical assemblies.
  • Speed Control: Worm wheels allow for fine control of rotational speed in mechanical assemblies. The high gear reduction ratio achievable with worm wheels enables slower output speeds, making them suitable for applications that require precise speed regulation. By adjusting the number of threads on the worm wheel or the pitch diameter of the gear, the speed output can be precisely controlled to match the requirements of the application.
  • Torque Amplification: Worm wheels are capable of amplifying torque in mechanical assemblies. The helical tooth engagement between the worm gear and the worm wheel creates a mechanical advantage, resulting in increased torque at the output. This torque amplification allows worm wheels to transmit higher torque levels while maintaining a compact design. The ability to control torque amplification makes worm wheels suitable for applications that require high torque output, such as lifting mechanisms, conveyors, or heavy machinery.
  • Torque Limiting: Worm wheels also provide torque limiting capabilities in mechanical assemblies. The self-locking nature of the worm wheel prevents reverse motion or backdriving from the output side to the input side. This self-locking property acts as a torque limiter, restricting excessive torque transmission and protecting the system from overload or damage. The torque limiting feature of worm wheels ensures safe and controlled operation in applications where torque limitation is critical, such as safety mechanisms or overload protection devices.
  • Directional Control: Worm wheels offer precise directional control in mechanical assemblies. The helical tooth engagement between the worm gear and the worm wheel allows for power transmission in a single direction. The self-locking property of the worm wheel prevents reverse motion, ensuring that the output shaft remains stationary when the input is not actively driving it. This directional control is beneficial in applications that require precise positioning or unidirectional motion, such as indexing mechanisms or robotic systems.
  • Load Distribution: Worm wheels play a role in distributing the load in mechanical assemblies. The sliding action between the worm gear and the worm wheel creates a larger contact area compared to other gear types. This increased contact area allows for better load distribution, minimizing stress concentration and ensuring even distribution of forces. By distributing the load effectively, worm wheels contribute to the longevity and reliability of mechanical assemblies.

Overall, worm wheels provide precise speed control, torque amplification, torque limiting, directional control, and load distribution capabilities in mechanical assemblies. These features make worm wheels versatile components that are widely used in various applications where precise control, torque management, and reliable performance are essential.

How do worm wheels contribute to the adaptability and versatility of mechanical systems in different settings?

Worm wheels play a significant role in enhancing the adaptability and versatility of mechanical systems across various settings. Here’s a detailed explanation of how worm wheels contribute to these aspects:

  • Variable Speed Ratios: Worm wheels allow for the transmission of motion between the worm and the wheel with variable speed ratios. By changing the number of teeth on the worm wheel or the pitch diameter of the worm, different speed ratios can be achieved. This flexibility in speed control enables mechanical systems to adapt to different operating conditions, accommodate varying load requirements, and provide the desired output speeds for specific applications.
  • Directional Reversibility: One of the key advantages of worm wheels is their ability to transmit motion in both clockwise and counterclockwise directions. By reversing the direction of the worm’s rotation, the motion can be transmitted in the opposite direction through the worm wheel. This feature contributes to the adaptability of mechanical systems, allowing for bidirectional operation and versatility in various applications where reversible motion is required.
  • Compact Design: Worm wheels offer a compact and space-efficient design due to their high gear ratio capabilities. The worm’s helical shape allows for a large reduction in speed within a relatively small package size. This compact design is advantageous in applications where space is limited or where a high gear reduction is required without occupying excessive space. The compactness of worm wheels enhances the adaptability of mechanical systems in diverse settings, including compact machinery, automotive applications, or tight spaces.
  • High Torque Transmission: Worm wheels are known for their ability to transmit high torque. The sliding action between the worm and the worm wheel creates a large contact area, enabling efficient torque transfer. This high torque transmission capability makes worm wheels suitable for applications requiring high torque output, such as lifting mechanisms, conveyor systems, or heavy-duty machinery. The ability to handle high torque contributes to the versatility and adaptability of mechanical systems in different settings.
  • Mechanical Advantage: Worm wheels provide a mechanical advantage by converting a small rotational input force into a larger rotational output force. This mechanical advantage is a result of the gear ratio between the worm and the worm wheel. It allows mechanical systems to generate higher output forces or torques than what is applied at the input. This feature is valuable in applications where increased force or torque amplification is required, enabling systems to adapt to varying load demands and perform tasks that would otherwise be challenging or impractical.
  • Noise Reduction: Worm wheels are known for their quiet operation due to the sliding contact between the worm and the worm wheel teeth. This sliding action reduces the impact and noise associated with gear meshing compared to other types of gears, such as spur gears or bevel gears. The noise reduction capability of worm wheels makes them suitable for applications where noise control is important, such as in precision equipment, office machinery, or noise-sensitive environments. This contributes to the adaptability of mechanical systems in different settings that require low noise levels.

Overall, worm wheels contribute significantly to the adaptability and versatility of mechanical systems in diverse settings. Their variable speed ratios, directional reversibility, compact design, high torque transmission, mechanical advantage, and noise reduction capabilities enable them to meet specific requirements and perform a wide range of tasks in different applications.

China manufacturer 9 Inch Slewing Bearing Worm Gear  China manufacturer 9 Inch Slewing Bearing Worm Gear
editor by CX 2023-12-04